15279075

素因数分解:

$3^2\times 5^2\times 7^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:221

約数の個数: 72

約数和(自身を含む): 31917600

約数和(自身を除く): 16638525

約数列:

[1, 3, 5, 7, 9, 15, 21, 25, 35, 45, 63, 75, 89, 105, 109, 175, 225, 267, 315, 327, 445, 525, 545, 623, 763, 801, 981, 1335, 1575, 1635, 1869, 2225, 2289, 2725, 3115, 3815, 4005, 4905, 5607, 6675, 6867, 8175, 9345, 9701, 11445, 15575, 19075, 20025, 24525, 28035, 29103, 34335, 46725, 48505, 57225, 67907, 87309, 140175, 145515, 171675, 203721, 242525, 339535, 436545, 611163, 727575, 1018605, 1697675, 2182725, 3055815, 5093025, 15279075]

約数ペア:

[(1, 15279075), (3, 5093025), (5, 3055815), (7, 2182725), (9, 1697675), (15, 1018605), (21, 727575), (25, 611163), (35, 436545), (45, 339535), (63, 242525), (75, 203721), (89, 171675), (105, 145515), (109, 140175), (175, 87309), (225, 67907), (267, 57225), (315, 48505), (327, 46725), (445, 34335), (525, 29103), (545, 28035), (623, 24525), (763, 20025), (801, 19075), (981, 15575), (1335, 11445), (1575, 9701), (1635, 9345), (1869, 8175), (2225, 6867), (2289, 6675), (2725, 5607), (3115, 4905), (3815, 4005)]